Shower system



FIG. 1 is a perspective view of a shower system showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing of portions of the shower system are included for the purpose of illustration and form no part of the claimed design. 

CLAIM The ornamental design for a shower system, as shown and described. 